一种碳氧甲基基托/氧化氨酸复合水凝敷料,装有干细胞外体,用于慢性炎症伤口愈合
Yan Yue1, Yang Liu1, Yukai Lin1
1Guangdong Provincial Key Laboratory of Marine Biotechnology, Department of Biology, College of Science, Shantou University, Shantou, Guangdong 515063, PR China.
International journal of biological macromolecules
|December 4, 2023
概括
这项研究开发了一种新的水凝,以保护和维持干细胞外体的释放 (Exo),显著增强巨细胞转化,用于慢性伤口愈合.
科学领域:
- 生物材料科学 生物材料科学
- 再生医学是一种再生医学.
- 伤口治愈研究研究 伤口治愈研究
背景情况:
- 干细胞外体 (Exo) 对于伤口愈合中的巨细胞调节至关重要.
- 外体细胞的快速体内清除限制了它们在慢性炎症性伤口的治疗效果.
研究的目的:
- 为干细胞外基因组开发持续释放的水凝系统.
- 通过保护它们免受快速清除,增强外体在慢性伤口愈合中的治疗潜力.
主要方法:
- 干细胞外基因组通过化学交叉链接被封装在碳甲基 (CMCS) 和氧化氨酸 (OHA) 复合水凝中.
- 评估了水凝在6天内保护和持续释放外体细胞的能力.
- 在实验室测试中评估了巨细胞化,增殖,迁移和转化.
- 在慢性炎症性伤口的体内研究评估了伤口愈合率,炎症,再上皮化和原生成.
主要成果:
- 该CMCS/OHA/Exo水凝证明了持续的外体细胞释放和保护.
- 在体外,与对照组相比,水凝显著改善了巨细胞化,增殖,迁移和转变.
- 在体内,水凝加速了伤口愈合,减少了炎症因素,增强了再上皮化,增加了原蛋白的产生.
结论:
- 开发的CMCS/OHA/Exo水凝有效地提供外体,促进巨细胞的转化,加速慢性炎症伤口愈合.
- 这种水凝系统提供了一种有前途的策略,用于增强外体在再生医学和伤口护理中的治疗应用.
相关概念视频
Clinical Applications of Epidermal Stem Cells
2.7K
Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own...
2.7K
Stem Cell Therapy for Tissue Regeneration
4.1K
Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
4.1K
Inflammatory Response II: Inflammatory Exudate and Tissue Repair
5.0K
The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the...
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the...
5.0K


